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ace: dma: Add temporary dma ops to allow get attributes 

The attributes of the dma controllers must be moved
to the zephyr. Until then, we will use a own copy of the
get_attribute function from the alh and dw_dma drivers.
Thanks to this, we can completely disable it building
in the configuration.

Signed-off-by: Adrian Warecki <adrian.warecki@intel.com>
This commit is contained in:
Adrian Warecki 2022-09-30 13:53:22 +02:00 committed by Kai Vehmanen
parent ac33ac128b
commit 02152c3dcf
1 changed files with 71 additions and 0 deletions
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71
src/platform/intel/ace/lib/dma.c
View File

@ -17,6 +17,71 @@
#include <rtos/spinlock.h> #include <rtos/spinlock.h>
#include <zephyr/device.h> #include <zephyr/device.h>
#define DW_DMA_BUFFER_ALIGNMENT 0x4
#define DW_DMA_COPY_ALIGNMENT 0x4
#define DW_DMA_BUFFER_PERIOD_COUNT 0x4
static int dw_dma_get_attribute(struct dma *dma, uint32_t type,
uint32_t *value)
{
int ret = 0;
switch (type) {
case DMA_ATTR_BUFFER_ALIGNMENT:
*value = DW_DMA_BUFFER_ALIGNMENT;
break;
case DMA_ATTR_COPY_ALIGNMENT:
*value = DW_DMA_COPY_ALIGNMENT;
break;
case DMA_ATTR_BUFFER_ADDRESS_ALIGNMENT:
*value = PLATFORM_DCACHE_ALIGN;
break;
case DMA_ATTR_BUFFER_PERIOD_COUNT:
*value = DW_DMA_BUFFER_PERIOD_COUNT;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
const struct dma_ops dw_dma_ops = {
.get_attribute = dw_dma_get_attribute,
};
#define HDA_DMA_BUFFER_ALIGNMENT 0x20
#define HDA_DMA_COPY_ALIGNMENT 0x20
#define HDA_DMA_BUFFER_ADDRESS_ALIGNMENT 0x80
#define HDA_DMA_BUFFER_PERIOD_COUNT 2
static int hda_dma_get_attribute(struct dma *dma, uint32_t type, uint32_t *value)
{
switch (type) {
case DMA_ATTR_BUFFER_ALIGNMENT:
*value = HDA_DMA_BUFFER_ALIGNMENT;
break;
case DMA_ATTR_COPY_ALIGNMENT:
*value = HDA_DMA_COPY_ALIGNMENT;
break;
case DMA_ATTR_BUFFER_ADDRESS_ALIGNMENT:
*value = HDA_DMA_BUFFER_ADDRESS_ALIGNMENT;
break;
case DMA_ATTR_BUFFER_PERIOD_COUNT:
*value = HDA_DMA_BUFFER_PERIOD_COUNT;
break;
default:
return -EINVAL;
}
return 0;
}
const struct dma_ops hda_dma_ops = {
.get_attribute = hda_dma_get_attribute,
};
SHARED_DATA struct dma dma[] = { SHARED_DATA struct dma dma[] = {
#if DT_NODE_HAS_STATUS(DT_NODELABEL(lpgpdma0), okay) #if DT_NODE_HAS_STATUS(DT_NODELABEL(lpgpdma0), okay)
{ /* Low Power GP DMAC 0 */ { /* Low Power GP DMAC 0 */
@ -28,6 +93,7 @@ SHARED_DATA struct dma dma[] = {
DMA_DEV_ALH, DMA_DEV_ALH,
.channels = 8, .channels = 8,
}, },
.ops = &dw_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(lpgpdma0)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(lpgpdma0)),
}, },
#endif #endif
@ -41,6 +107,7 @@ SHARED_DATA struct dma dma[] = {
DMA_DEV_ALH, DMA_DEV_ALH,
.channels = 8, .channels = 8,
}, },
.ops = &dw_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(lpgpdma1)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(lpgpdma1)),
}, },
#endif #endif
@ -52,6 +119,7 @@ SHARED_DATA struct dma dma[] = {
.devs = DMA_DEV_HOST, .devs = DMA_DEV_HOST,
.channels = DT_PROP(DT_NODELABEL(hda_host_in), dma_channels), .channels = DT_PROP(DT_NODELABEL(hda_host_in), dma_channels),
}, },
.ops = &hda_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_host_in)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_host_in)),
}, },
#endif #endif
@ -63,6 +131,7 @@ SHARED_DATA struct dma dma[] = {
.devs = DMA_DEV_HOST, .devs = DMA_DEV_HOST,
.channels = DT_PROP(DT_NODELABEL(hda_host_out), dma_channels), .channels = DT_PROP(DT_NODELABEL(hda_host_out), dma_channels),
}, },
.ops = &hda_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_host_out)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_host_out)),
}, },
#endif #endif
@ -74,6 +143,7 @@ SHARED_DATA struct dma dma[] = {
.devs = DMA_DEV_HDA, .devs = DMA_DEV_HDA,
.channels = DT_PROP(DT_NODELABEL(hda_link_in), dma_channels), .channels = DT_PROP(DT_NODELABEL(hda_link_in), dma_channels),
}, },
.ops = &hda_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_link_in)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_link_in)),
}, },
#endif #endif
@ -85,6 +155,7 @@ SHARED_DATA struct dma dma[] = {
.devs = DMA_DEV_HDA, .devs = DMA_DEV_HDA,
.channels = DT_PROP(DT_NODELABEL(hda_link_out), dma_channels), .channels = DT_PROP(DT_NODELABEL(hda_link_out), dma_channels),
}, },
.ops = &hda_dma_ops,
.z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_link_out)), .z_dev = DEVICE_DT_GET(DT_NODELABEL(hda_link_out)),
}, },
#endif #endif